/*
 *
 * (c) Copyright Ascensio System Limited 2010-2018
 *
 * This program is freeware. You can redistribute it and/or modify it under the terms of the GNU 
 * General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html). 
 * In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that 
 * Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
 *
 * THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
 *
 * You can contact Ascensio System SIA by email at sales@onlyoffice.com
 *
 * The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display 
 * Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
 *
 * Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains 
 * relevant author attributions when distributing the software. If the display of the logo in its graphic 
 * form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE" 
 * in every copy of the program you distribute. 
 * Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
 *
*/


using ASC.Xmpp.Core.utils.Xml.Dom;
using System;
using System.Collections.Generic;
using System.Text;

namespace ASC.Xmpp.Server.Gateway
{
	public interface IXmppConnection
	{
		string Id
		{
			get;
		}

		void Reset();

		void Close();

		void Send(Node node, Encoding encoding);

		void Send(string text, Encoding encoding);

		void BeginReceive();

		event EventHandler<XmppStreamStartEventArgs> XmppStreamStart;

		event EventHandler<XmppStreamEventArgs> XmppStreamElement;

		event EventHandler<XmppStreamEndEventArgs> XmppStreamEnd;

		event EventHandler<XmppConnectionCloseEventArgs> Closed;
	}

	public class XmppStreamEventArgs : EventArgs
	{
		public string ConnectionId
		{
			get;
			private set;
		}

		public Node Node
		{
			get;
			private set;
		}

		public XmppStreamEventArgs(string connectionId, Node node)
		{
			if (string.IsNullOrEmpty(connectionId)) throw new ArgumentNullException("connectionId");
			if (node == null) throw new ArgumentNullException("node");

			ConnectionId = connectionId;
			Node = node;
		}
	}

	public class XmppStreamStartEventArgs : XmppStreamEventArgs
	{
		public string Namespace
		{
			get;
			private set;
		}

		public XmppStreamStartEventArgs(string connectionId, Node node, string ns)
			: base(connectionId, node)
		{
			Namespace = ns;
		}
	}

	public class XmppStreamEndEventArgs : EventArgs
	{
		public string ConnectionId
		{
			get;
			private set;
		}

		public ICollection<Node> NotSendedBuffer
		{
			get;
			private set;
		}

		public XmppStreamEndEventArgs(string connectionId, IEnumerable<Node> notSendedBuffer)
		{
            
			if (string.IsNullOrEmpty(connectionId)) throw new ArgumentNullException("connectionId");
		    
			ConnectionId = connectionId;
			if (notSendedBuffer == null)
			{
				NotSendedBuffer = new List<Node>();
			}
			else
			{
				NotSendedBuffer = new List<Node>(notSendedBuffer);
			}
		}
	}

	public class XmppConnectionCloseEventArgs : EventArgs
	{

	}
}
